Patents Examined by David S Huang
  • Patent number: 11855686
    Abstract: According to certain embodiments, an electronic device comprises: a wireless communication module configured to support ultra-wide band (UWB) communication; and at least one processor operatively connected with the wireless communication module, wherein the at least one processor is configured to: set the wireless communication module to a wake-up state; when a given number of first ranging response messages (RRMs) are received from second external electronic devices after receiving a first ranging initiation message (RIM) from a first external electronic device in a RIM slot of a first ranging round, set the wireless communication module to a sleep state after receiving a first ranging final message (RFM) from the first external electronic device in a RFM slot of the first ranging round until a RIM slot of a second ranging round is reached after the first ranging round; set the wireless communication module to the wake-up state in the RIM slot in the second ranging round; and set the wireless communication m
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: December 26, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sejong Yoon, Moonseok Kang, Hyunchul Kim
  • Patent number: 11855362
    Abstract: In an embodiment, a device is included in a communications system, the device including a plurality of antenna elements configured in a phased array antenna; a plurality of integrated circuit (IC) chips, wherein each IC chip of the plurality of IC chips is associated with a respective subset of antenna elements of the plurality of antenna elements, and wherein, for each IC chip of the plurality of IC chips, the associated subset of antenna elements is used for transmitting and receiving radio frequency (RF) signals by the IC chip; and a local oscillator configured to generate a common local oscillator signal and provide the common local oscillator signal to each IC chip of the plurality of IC chips.
    Type: Grant
    Filed: May 3, 2020
    Date of Patent: December 26, 2023
    Assignee: Space Exploration Technologies Corp.
    Inventors: Masoud Kahrizi, Alex Ahmad Mirzaei, Ali Sajjadi, Bagher Afshar, Babak Vakili-Amini, Alireza Mehrnia, Behzad Nourani, Bernd Pregardier
  • Patent number: 11838167
    Abstract: Provided is a wireless communication system configured to accommodate a plurality of circuits to transmit a signal from a transmitter to a receiver, the system including a number-of-circuits observation unit configured to observe the number of circuits among the plurality of circuits through which communication is being performed; a quality observation unit configured to observe a quality of each of a plurality of communications; a determination unit configured to determine a modulation scheme for transmitting a signal based on the number of circuits observed by the number-of-circuits observation unit, the quality of each of the plurality of communications observed by the quality observation unit, and a required throughput of each of the plurality of circuits; and a modulation unit configured to modulate the signal using the modulation scheme determined by the determination unit.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: December 5, 2023
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Hayato Fukuzono, Tomohiro Tokuyasu, Keita Kuriyama, Hiroyuki Furuya, Yu Ono, Tsutomu Tatsuta, Tomohiro Nakayama
  • Patent number: 11838068
    Abstract: A transceiver having a shared filter for both transmit and receive modes is disclosed. A transceiver includes a transmitter having an output coupled to a signal node, wherein the transmitter is configured to transmit signals onto the signal node during transceiver operation in a transmit mode. The transceiver also includes a receiver having an input coupled to the signal node, and configured to receive signals from the signal node during operation in the receive mode. The transceiver further includes a first filter coupled to the signal node, wherein the filter is shared by the transmitter and the receiver. The filter is coupled between the transceiver and a first terminal of a transmission line.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: December 5, 2023
    Assignee: Apple Inc.
    Inventors: Yashar Rajavi, Sohrab Emami-Neyestanak, Abbas Komijani
  • Patent number: 11838074
    Abstract: Arrangement (10) for transmitting information in a component (2) of a vehicle (1), in particular in a door handle (2) of the vehicle (1): a processing arrangement (50) for providing information at the component (2), preferably about a detection of an activation action at the component (2), an interface arrangement (40) for providing an electrical supply connection to a control device (30) of the vehicle (1), a stabilizing device (20) electrically connecting the interface assembly (40) to the processing assembly (50) to provide a power supply from the supply connection stabilized to the processing assembly (50), a current control arrangement (60) of the processing arrangement (50), which is electrically connected to the stabilizing device (20), for using the stabilizing device (20) to output a transmission signal (S) to the interface arrangement (40) in order to transmit the provided information to the control device (30) via the supply connection.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: December 5, 2023
    Assignee: Huf Hülsbeck & Fürst GmbH & Co. KG
    Inventor: Berthold Sieg
  • Patent number: 11831719
    Abstract: A signal interface for a vehicle has a sensor unit and a main control unit connected via a wiring harness. The sensor unit includes a sensor chip configured to carry out a SENT protocol and has outlets for a supply voltage line, a data transmission line, and a ground connection. A voltage regulator and a filter with ESD/EMC protection are connected to the supply voltage line, where overvoltage protection is upstream of a data line filter and ESD/EMC protection is downstream of the data line filter. The main control unit includes a voltage regulator, ESD/EMC protection, and a module configured to switch off the ground supply in the event of a current derived from the overvoltage protection. A pull-up device and a transceiver are connected to the data transmission line. The control unit has separate sender and receiver paths for controlling the transceiver.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: November 28, 2023
    Assignee: ZF Friedrichshafen AG
    Inventor: Jochen Menz
  • Patent number: 11811146
    Abstract: Methods, systems, and devices for wireless communication are described. A wireless repeater beamforms a receive signal, at a first antenna array. The repeater retransmits, via a second antenna array, a beamformed signal. The repeater may adjust the receive and/or transmit beam in order to avoid signal interference caused by the retransmission. The repeater may monitor an output of a power amplifier (PA) in a signal processing chain and adjust a gain to a PA driver to the PA and/or a gain to one or more low noise amplifiers (LNAs) in the signal processing chain in order to improve or maintain transmission stability in the repeater.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: November 7, 2023
    Assignee: QUALCOMM Incorporated
    Inventors: Raju Hormis, Junyi Li, Navid Abedini, Juergen Cezanne, Ozge Koymen
  • Patent number: 11791524
    Abstract: A radio frequency waveguide communication system includes a guided electromagnetic transmission network, and a cooling air source. The guided electromagnetic transmission network includes one or more remote node in fluid communication with one or more waveguides. The cooling air source is in fluid communication with the guided electromagnetic transmission network and is configured to provide pressurized cooling air to the waveguide. The waveguides direct the pressurized cooling air to the remote node.
    Type: Grant
    Filed: October 21, 2022
    Date of Patent: October 17, 2023
    Assignee: RTX CORPORATION
    Inventors: Geoffrey T. Blackwell, Richard A. Poisson
  • Patent number: 11770282
    Abstract: Methods, apparatus, and systems for reducing Peak Average Power Ratio (PAPR) in signal transmissions are described. In one example aspect, a wireless communication method includes determining, for a time-domain sequence x(i), an output sequence s(k). The output sequence s(k) is an inverse Fourier transform of a frequency-domain sequence S(j), and S(j) represents a dot-multiplication of a frequency-domain sequence Y(j) corresponding to the time-domain sequence x(i) and a frequency-domain sequence Z(j) corresponding to a three-coefficient function associated with 2 2 , 1, and 2 2 . The method also includes generating a waveform using the output sequence s(k), where i is from 0 to I?1, j is from 0 to J?1, k is from 0 to K?1, and I<J<=K.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: September 26, 2023
    Assignee: ZTE Corporation
    Inventors: Yu Xin, Guanghui Yu, Jian Hua
  • Patent number: 11770284
    Abstract: Apparatuses, methods, and systems for per carrier scaling of a cancellation pulse of a multi-carrier signal are disclosed. One method includes identifying a target PAPR (peak to average power ratio) for the multi-carrier signal, identifying a target EVM (error vector magnitude) for each of cj carriers of the multi-carrier signal, setting a scaling factor for each of the cj carrier to an initial value, or each carrier cj adjusting the scaling factor for the carrier cj until a measured EVM of the carrier cj satisfies the target EVM for the subcarrier cj while maintaining the PAPR target for the multi-carrier signal, and the cancellation pulse of the multi-carrier signal with the adjusted scaling factor for each of the cj carriers.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: September 26, 2023
    Assignee: Meta Platforms, Inc.
    Inventors: Mohammad Janani, Djordje Tujkovic
  • Patent number: 11764829
    Abstract: A communication system that includes a first communication device that is configured to obtain a plurality of radio frequency (RF) signals corresponding to different communication protocols from a plurality of communication systems associated with a plurality of different types of communication network. The first communication device aligns the plurality of RF signals corresponding to different communication protocols in a mmWave RF signal. A first repeater device obtains the mmWave RF and further communicates the mmWave RF signal over a second wired medium to a second repeater device. The second repeater device wirelessly distribute, from the mmWave RF signal, two or more different RF signals to a plurality of end-user devices and packs content received from the plurality of end-user devices and transmits upstream in the mmWave RF signal to the first communication device via the first repeater device over the wired mediums.
    Type: Grant
    Filed: August 15, 2022
    Date of Patent: September 19, 2023
    Assignee: AR & NS Investment, LLC
    Inventor: Alireza Tarighat Mehrabani
  • Patent number: 11764844
    Abstract: A method performed by a first wireless device (121) is provided. The method comprises transmitting (503) a radio signal towards the at least one second wireless device indicating that the first wireless device is, or that the at least one second wireless device has an option to be, responsible for beamforming of transmissions over the direct D2D communication link. The method also comprises receiving (505) information from the at least one second wireless device indicating which of the first wireless device or the at least one second wireless device is to be responsible for beamforming of transmissions over the direct D2D communication link. Further, the method comprises configuring (506), based on the received information, which of the first wireless device or the at least one second wireless device is to be responsible for beamforming of transmissions over the direct D2D communication link.
    Type: Grant
    Filed: October 9, 2019
    Date of Patent: September 19, 2023
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Peter Ökvist, Tommy Arngren, Stefan Wänstedt, Anders Landström, Hans Hannu
  • Patent number: 11757508
    Abstract: Aspects described herein relate to reporting time-scale capability information in learning adaptive beam weights for millimeter wave systems. In one example, a user equipment (UE) may identify a time-scale at which the UE can learn a set of adaptive beam weights for hybrid beamforming communications. The UE may further transmit a dynamic capability indication including information associated with the time-scale at which the UE can learn the set of one or more adaptive beam weights. In another example, a network entity may receive a dynamic capability indication including information associated with a time-scale at which a UE can estimate a set of adaptive beam weights. The network entity may further identify one or more time-scales associated with a set of reference signals to transmit to the UE for beam weight estimation, and transmit a grant for the set of reference signals for the UE to perform the beam weight estimation.
    Type: Grant
    Filed: March 15, 2022
    Date of Patent: September 12, 2023
    Assignee: QUALCOMM Incorporated
    Inventors: Vasanthan Raghavan, Junyi Li
  • Patent number: 11757489
    Abstract: A data transmission system includes a first circuit, a second circuit, and a reference voltage generation circuit. The first circuit includes a transmitter powered by a first power supply voltage and having an input for receiving a data output signal, and an output. The second circuit includes a receiver powered by a second power supply voltage and having a first input coupled to the output of the transmitter, a second input for receiving a reference voltage, and an output for providing a data input signal. The reference voltage generation circuit forms the reference voltage by mixing a first signal generated by the first circuit based on the first power supply voltage and a second signal generated by the second circuit based on the second power supply voltage.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: September 12, 2023
    Assignee: Advanced Micro Devices, Inc.
    Inventors: Ramon Mangaser, Karthik Gopalakrishnan, Andy Huei Chu, Pradeep Jayaraman
  • Patent number: 11757695
    Abstract: Various embodiments of the present disclosure relate to transmitter systems, methods, and instructions for signal predistortion. The transmitter system includes an intermodulation distortion (IMD) filter module configured to filter a detected feedback signal (Yin) to generate a targeted filtered signal (Yout), a digital pre-distortion (DPD) coefficient estimation module configured to update signal generation coefficients based on comparing an input signal (Sin) with the targeted filtered signal (Yout), and a distortion compensation processing module configured to generate a pre-distorted signal (Uout) based on the input signal (Sin) using the updated signal generation coefficients.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: September 12, 2023
    Assignee: SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
    Inventors: Ruikang Yang, Michael Russo, Simon Hamparian
  • Patent number: 11750243
    Abstract: A system for transmitting power and data through a two pin connection interface may have a first device having a power source, a first microcontroller with a first communication peripheral coupled with a first pin and a first control port coupled with a gate of a first MOSFET whose switch path couples the power source with the first pin; and a second device having a battery, a second microcontroller with a second communication peripheral coupled with a first pin and a second control port coupled with a gate of a second MOSFET whose switch path couples the battery with the first pin of the second device. When the devices are coupled, the MOSFETs are synchronously turned on and off, wherein during an off-cycle a data transfer between the first and second device takes place through the first and second communication peripherals of the first and second device, respectively.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: September 5, 2023
    Assignee: Microchip Technology Incorporated
    Inventors: Marco Rohleder, Stefan Weiers
  • Patent number: 11722889
    Abstract: A method comprising transmitting, by a first communication node (101), a first communication; receiving, by a relay node (103; 503), the first communication and estimating a first communication channel (Hk; Hk(1)). Transmitting, by a second communication node (102), a second communication; receiving, by the relay node (103; 503), the second communication; and estimating a second communication channel (Gk, Gk(1)); generating a first transmission signal (xk; x1); transmitting, by the relay node (103; 503), the first transmission signal (xk; x1); generating, by the first communication node (101), a first instance of the encryption key (?A) based on a first received signal (rA); generating, by the second communication node (102), a second instance of the encryption key (?B) based on a second received signal (rB), wherein: the transmission signal (xk) is generated such that the first received signal (rA) is equal to the second received signal (rB).
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: August 8, 2023
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Magnus Stig Torsten Sandell
  • Patent number: 11722173
    Abstract: A communication system that includes a first communication device that is configured to obtain a plurality of radio frequency (RF) signals corresponding to different communication protocols from a plurality of communication systems associated with a plurality of different types of communication network. The first communication device aligns the plurality of RF signals corresponding to different communication protocols in a mmWave RF signal. A first repeater device obtains the mmWave RF and further communicates the mmWave RF signal over a second wired medium to a second repeater device. The second repeater device wirelessly distribute, from the mmWave RF signal, two or more different RF signals to a plurality of end-user devices and packs content received from the plurality of end-user devices and transmits upstream in the mmWave RF signal to the first communication device via the first repeater device over the wired mediums.
    Type: Grant
    Filed: August 15, 2022
    Date of Patent: August 8, 2023
    Assignee: AR & NS Investment, LLC
    Inventor: Alireza Tarighat Mehrabani
  • Patent number: 11716229
    Abstract: A PAM-N receiver capable of adaptively adjusting threshold voltages determining a level of a received signal and a method of adaptively adjusting threshold voltages thereof are disclosed. According to the method of the present invention, the result of comparison between reference data levels and the level of data in the received signal are used to adjust the reference data levels, and the threshold voltages of a PAM-N receiver are adaptively calculated from the adjusted reference data levels, thereby reflecting transmission line conditions and Inter-Symbol Interference.
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: August 1, 2023
    Assignee: UNIVERSITY OF SEOUL INDUSTRY COOPERATION FOUNDATION
    Inventors: Hyeon-Woo Ahn, Yo-Han Kim, Soo-Hwan Yoo, Jae-Geol Lee, Hyo-Goon Lim, Il-Soo Lee, Yongsam Moon
  • Patent number: 11711124
    Abstract: A transmitter supports beamforming function using a plurality of antenna elements. The transmitter includes a dither signal generator which, in operation, generates pseudo random sequence signals as dither signals for lower bits of digital signals, the pseudo random sequence signals being different from each other, the digital signals each corresponding to respective one of the plurality of antenna elements, and a plurality of digital-to-analog converters which, in operation, adds the dither signals generated by the dither signal generator to the lower bits of the digital signals, and converts only upper bits of addition results of the digital signals and the dither signals into analog signals.
    Type: Grant
    Filed: March 25, 2022
    Date of Patent: July 25, 2023
    Assignee: Panasonic Holdings Corporation
    Inventors: Mikihiro Ouchi, Tomohiro Kimura, Takayuki Sotoyama